tytower:
Funny
Sparkfun schematic shows pin 7 already connected to the reset pin (of the arduino ? ) SparkFun USB-C Host Shield - DEV-21247 - SparkFun Electronics
No, digital Pin7 is connected to the MAX3421E reset pin, NOT the Arduino reset (atmega328 pin 0)
To support board like Mega, MAX3421E reset it was routed to Arduino reset pin instead of Pin 7.
When running the Sparkfun board on USB Host Shield 2.0 library, it did not reset the MAX3421E at all..
The 2.0 library will pull the Arduino reset pin low to reset the MAX3421E IC but there was no connection to the MAX3421E reset pin on Sparkfun shield.